Home / 496,858,799.53-685,692,107.65-285,163,937.65

Finding the Fourth Proportional to 496,858,799.53, 685,692,107.65 and 285,163,937.65

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Solution

The fourth proportional to 496,858,799.53, 685,692,107.65 and 285,163,937.65 is: 393,541,709.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,858,799.53 : 685,692,107.65 = 285,163,937.65 : x
  2. Step 2: Convert to fraction form
    496,858,799.53/685,692,107.65 = 285,163,937.65/x
  3. Step 3: Cross multiply
    496,858,799.53x = 685,692,107.65 × 285,163,937.65
  4. Step 4: Simplify right side
    496,858,799.53x = 195,534,661,434,790,240
  5. Step 5: Solve for x
    x = 195,534,661,434,790,240/496,858,799.53
  6. Step 6: Final answer
    x = 393,541,709.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.